"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
I really think we should pass a law in every state, I don't care whether it takes the independence away from an old person or not. You shouldn't be driving a car if you're over the age of 80. Maybe even less than that.
If you create something that is asking for people to respond as they're going to respond, you have to allow them to respond as they're going to respond. Some of the people are going to be uninterested and some people are going to be mad for some reason, which is their business. That's just the way the world is.